Silvia Adaljisa Diaz, NP
NPI 1124309174ActiveIndividual· Nurse Practitioner, Adult Health· Patchogue, NY
Nurse Practitioner, Adult Health (NP) in Patchogue, New York, trained at State University of New York at Stony Brook, School of Medicine (class of 2020). Their prescriptions cost Medicare Part D more than their services did: $147,756 for 326 claims, against $2,040 paid for services in 2024. Incyte Corporation was the largest of 2 companies reporting payments in 2025, $148.20 in all, mostly food and beverage.
Overview
| NPI | 1124309174 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Sep 5, 2011 |
| Last updated in NPPES | Jul 15, 2020 |
| Certified by provider | Jul 15, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Adult Health Primary | 363LA2200X | F309691 | NY |
| Registered Nurse | 163W00000X | 645226-1 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 24 |
|---|---|
| Services billed | 40 across 16 procedure codes |
| Paid by Medicare | $2,040 |
Part D prescriptions in 2024
| Prescriptions (claims) | 326 · 408 30-day fills |
|---|---|
| Patients | 203 |
| Total drug cost | $147,756 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | State University of New York at Stony Brook, School of Medicine |
|---|---|
| Graduation year | 2020 |
| Medicare specialty | Nurse Practitioner |
Medical group
- North Shore Hematology Oncology Associates PCPort Jefferson Station, NY · 479 clinicians
Industry payments (Open Payments)
- 2025$148.20 · 2 payments from 2 companies
- 2024$360.63 · 8 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Incyte Corporation | $125.00 | 1 |
| Merck Sharp & Dohme LLC | $23.20 | 1 |
What the 2025 payments were for
- Food and Beverage$148.20 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 31 adult health nurse practitioners in Patchogue · All adult health nurse practitioners in New York